The Mekong River, which________ several countries in Southeast Asia, ______to be playing a significant role in the region.
Occasions are quite rare____I have the time to spend a day with my kids.A who B which C why Dwhen
Many people who had seen the film were afraid to go tothe forest as they remembered the scenes________ people were eaten by the tiger.
Do you still remember ber?________her as much as I do now for a long time.
What the doctors really doubt is my lather will reeover from me serious disease soon.
--- I drove to Zhuhai for the air show last week. --- Is that ____ you had a few days off?